2021

N\"UWA: Visual Synthesis Pre-training for Neural visUal World creAtion

Wu, Chenfei, Liang, Jian, Ji, Lei et al.

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This paper presents a unified multimodal pre-trained model called N\"UWA that can generate new or manipulate existing visual data (i.e., images and videos) for various visual synthesis tasks.

  • To cover language, image, and video at the same time for different scenarios, a 3D transformer encoder-decoder framework is designed, which can not only deal with videos as 3D data but also adapt to texts and images as 1D and 2D data, respectively.
  • A 3D Nearby Attention (3DNA) mechanism is also proposed to consider the nature of the visual data and reduce the computational complexity.
  • We evaluate N\"UWA on 8 downstream tasks.

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